Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/12/84; site desint.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!vax135!cornell!uw-beaver!tektronix!hplabs!sdcrdcf!trwrb!desint!geoff From: geoff@desint.UUCP (Geoff Kuenning) Newsgroups: net.micro.68k Subject: Re: Re: PDP11s vs the micros Message-ID: <123@desint.UUCP> Date: Sat, 24-Aug-85 03:08:38 EDT Article-I.D.: desint.123 Posted: Sat Aug 24 03:08:38 1985 Date-Received: Tue, 27-Aug-85 01:58:12 EDT References: <2607@sun.uucp> <492@oakhill.UUCP> <489@talcott.UUCP> Reply-To: geoff@desint.UUCP (Geoff Kuenning) Organization: SAH Consulting, Manhattan Beach, CA Lines: 17 In article <489@talcott.UUCP> tmb@talcott.UUCP (Thomas M. Breuel) writes: >Finally, the thought of having a page fault pending and the CPU >happily executing more instructions before the fault is serviced >somehow worries me. It may play havoc with simple-minded process >synchronisation techniques. Which just goes to show that you shouldn't try to do OS-type things in a simple-minded manner on a complicated computer like the '020. Operating systems designers have been dealing with this sort of problem for over two decades; in general we don't really mind a few subtle points in the architecture that require careful attention to detail, as long as they're well documented. -- Geoff Kuenning ...!ihnp4!trwrb!desint!geoff